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Enferm Infecc Microbiol Clin. 2012 Mar;30(3):131-6. doi: 10.1016/j.eimc.2011.09.007. Epub 2011 Nov 25.

[New diagnosis of HIV infection in children].

[Article in Spanish]

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Servicio de Pediatría, Hospital Universitario de Getafe, Getafe, Madrid, España.



The number of children of immigrant origin in the last few years has increased the cohort of HIV-infected children in the Community of Madrid. The objectives of the study were to evaluate the epidemiological and clinical characteristics of the new diagnosed children and describe the different subtypes of HIV-1.


The new diagnosed children were analysed from the year 1997, divided into 3 periods: P1 (1997-2000), P2 (2001-2004), P3 (2005-2009). The regions and countries of origin, the clinical, immune and viral characteristics, as well as the response to treatment were analysed. The subtypes of HIV-1 were evaluated by phylogenetic analysis of protease genes and reverse transcriptase.


We identified 141 new diagnoses of HIV infection, the percentage of immigrant origin in P1 was (22.5%), P2 (50%) and P3 (68%). The origin had changed from Latin America in P1 to sub-Saharan Africa in P3. There were no differences between Spanish and immigrant children in the age at diagnosis, the CDC clinical stage A/B/C, viral load, percentage of CD4 at diagnosis and actual. Better viral response was more likely in immigrants after the first regimen of HAART (Highly active antiretroviral treatment) independently of the treatment received. A total of 66 subtypes were obtained, 24% were subtypes non-B (56% recombinants forms). All subtypes of Spanish children (43) and Latin American (5) were subtypes B, and all the children from sub-Saharan Africa (14) were subtypes non-B.


There were no differences between immigrants and Spanish children infected by HIV, except the different subtypes of HIV-1.

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